Finding the Fourth Proportional to 1,768.15, 2,439.82 and 982.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.15 : 2,439.82 = 982.05 : x
2. Step 2: Convert to fraction form
   1,768.15/2,439.82 = 982.05/x
3. Step 3: Cross multiply
   1,768.15x = 2,439.82 × 982.05
4. Step 4: Simplify right side
   1,768.15x = 2,396,025.23
5. Step 5: Solve for x
   x = 2,396,025.23/1,768.15
6. Step 6: Final answer
   x = 1,355.10